Identification of native protein of a novel peroxisome proliferator-activated receptor alpha (PPAR[alpha]) target gene-PPAR[alpha]-regulated and starvation inducible gene (PPSIG) by production of polyclonal antisera.

Yau Wing Yiu, Winifred. / On t.p. "alpha"s appear as the Greek letter. / Thesis submitted in: October 2006. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (leaves 91-98). / Abstracts in English and Chinese. / Abstract --- p.i / Abstract (Chinese version) --- p.iv / Acknowledgements --- p.vi / Table of Contents --- p.vii / List of Abbreviations --- p.xii / List of Figures --- p.xiv / List of Tables --- p.xvi / Chapter Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Peroxisome proliferator-activated receptors (PPARs) --- p.1 / Chapter 1.1.1 --- What are PPARs? --- p.1 / Chapter 1.1.2 --- PPAR ligands - peroxisome proliferators --- p.1 / Chapter 1.1.3 --- PPAR isoforms --- p.2 / Chapter 1.2 --- Biological roles of PPARα --- p.3 / Chapter 1.2.1 --- Lipid metabolism --- p.3 / Chapter 1.2.2 --- Glucose metabolism --- p.4 / Chapter 1.2.3 --- Inflammation --- p.5 / Chapter 1.2.4 --- Oxidative stress --- p.5 / Chapter 1.2.5 --- Cell proliferation and apoptosis --- p.6 / Chapter 1.3 --- PPARα in health and diseases --- p.6 / Chapter 1.3.1 --- Wound-healing --- p.6 / Chapter 1.3.2 --- Anti-atherogenesis --- p.7 / Chapter 1.3.3 --- Neuroprotection --- p.7 / Chapter 1.3.4 --- Carcineogenesis --- p.7 / Chapter 1.4 --- PPARα-regulated and starvation inducible gene (PPSIG) --- p.8 / Chapter 1.4.1 --- PPSIG is a PPARα target gene --- p.8 / Chapter 1.4.2 --- Computer-assisted predictions on PPSIG --- p.9 / Chapter 1.4.3 --- Current characterization of PPSIG --- p.10 / Chapter 1.5 --- Objectives of the present study --- p.11 / Chapter Chapter 2 --- Materials and Methods --- p.12 / Chapter 2.1 --- Materials --- p.12 / Chapter 2.2 --- Animals and treatment --- p.13 / Chapter 2.3 --- Cloning of PPSIG into pThioHis and pTYB expression vectors --- p.13 / Chapter 2.3.1 --- PCR amplification of PPSIG cDNA insert --- p.13 / Chapter 2.3.1.1 --- PPSIG cDNA insert for pThioHis vector --- p.13 / Chapter 2.3.1.2 --- PPSIG cDNA insert for pTYB vector --- p.15 / Chapter 2.3.2 --- Restriction enzyme digestion of PPSIG cDNA insert and pThioHis vector --- p.18 / Chapter 2.3.3 --- Restriction enzyme digestion of PPSIG cDNA insert and pTYB vector --- p.20 / Chapter 2.3.4 --- Ligation and transformation --- p.20 / Chapter 2.3.5 --- Screening for recombinants by phenol/chloroform method --- p.21 / Chapter 2.3.6 --- Confirmation of recombinant plasmid by restriction enzyme digestion --- p.22 / Chapter 2.3.6.1 --- Digestion of pThioHis-PPSIG plasmid with Xba I and Sac II --- p.22 / Chapter 2.3.6.2 --- Digestion of pTYB-PPSIG plasmid with EcoR V --- p.22 / Chapter 2.3.7 --- Transformation into expression E. coli strains --- p.23 / Chapter 2.4 --- Over expression of PPSIG proteins in E. coli --- p.23 / Chapter 2.5 --- Semi-purification of PPSIG fusion proteins by preparative SDS-PAGE --- p.24 / Chapter 2.6 --- Rabbit immunization --- p.25 / Chapter 2.7 --- Northern blotting analysis --- p.26 / Chapter 2.7.1 --- Probe preparation --- p.26 / Chapter 2.7.2 --- "Formaldehyde-agarose gel electrophoresis, blotting of RNA and hybridization" --- p.26 / Chapter 2.8 --- Subcellular fractionation --- p.29 / Chapter 2.9 --- Western blotting of liver microsomes --- p.31 / Chapter 2.10 --- Immunoprecipitation --- p.32 / Chapter 2.11 --- Mass spectrometry --- p.33 / Chapter 2.11.1 --- Trypsin digestion and peptide extraction --- p.33 / Chapter 2.11.2 --- Matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry --- p.34 / Chapter Chapter 3 --- Results --- p.36 / Chapter 3.1 --- Cloning of PPSIG into pThioHis and pTYB vectors --- p.36 / Chapter 3.1.1 --- Cloning of PPSIG into pThioHis vector --- p.36 / Chapter 3.1.2 --- Cloning of PPSIG into pTYB vector --- p.36 / Chapter 3.2 --- Protein expression of Thio-PPSIG and Intein-PPSIG --- p.41 / Chapter 3.3 --- Identification of recombinant Thio-PPSIG and Intein-PPSIG by mass spectrometry --- p.49 / Chapter 3.4 --- Preparation and characterization of Thio-PPSIG and Intein-PPSIG antisera --- p.61 / Chapter 3.5 --- Identification of native PPSIG and its induction pattern --- p.65 / Chapter 3.5.1 --- PPSIG was highly inducible upon 72-h starvation in a PPARα dependent manner --- p.65 / Chapter 3.5.2 --- "PPSIG showed slight induction upon 2-wk Wy-14,643 treatment" --- p.71 / Chapter 3.6 --- Confirmation of the specificity of PPSIG antiserum --- p.74 / Chapter Chapter 4 --- Discussion --- p.81 / References --- p.91 / Appendix A Deduced amino acid sequences of PPSIG fusion proteins --- p.99 / Chapter A1 --- Deduced amino acid sequence of Thio-PPSIG from pThioHis-PPSIG plasmid --- p.99 / Chapter A2 --- Deduced amino acid sequence of Intein-PPSIG from pTYB-PPSIG plasmid --- p.101 / Appendix B Mass spectra of trypsin digested native PPSIG --- p.104 / Chapter B1 --- Mass spectrum of trypsin digested native PPSIG immunoprecipitated from liver microsomes from PPARα wild-type mice fed with normal diet (starvation experiment) --- p.104 / Chapter B2 --- Mass spectrum of trypsin digested native PPSIG immunoprecipitated from liver microsomes from PPARα wild-type mice starved for 72 hours (starvation experiment) --- p.105 / Chapter B3 --- "Mass spectrum of trypsin digested native PPSIG immunoprecipitated from liver microsomes from PPARα wild-type mice fed with control diet (Wy-14,643 feeding experiment)" --- p.106 / Chapter B4 --- "Mass spectrum of trypsin digested native PPSIG immunoprecipitated from liver microsomes from PPARα wild-type mice fed with 0.1% (w/w) Wy-14,643 for 2 weeks (Wy-14,643 feeding experiment)" --- p.107

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_325863
Date January 2007
ContributorsYau, Wing Yiu., Chinese University of Hong Kong Graduate School. Division of Biochemistry.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xvi, 107 leaves : ill. (some col.) ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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